<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        #first{
            position: absolute;
            width: 38%;
            height:5%;
            top:3%;
            left:3%;
        }

        #third{
            position: absolute;
            width: 74%;
            height:10%;
            top:3%;
            left:25%;

        }
        #fourth{
            background-image:url("/images/qqq.png");
            position: absolute;
            width: 98%;
            height:74%;
            top:15%;
            left:5%
        }
    </style>
</head>
<body>
<div id="first">
    <h1>Plant Simulation仿真</h1>
</div>

<div id="third">
    <input type="button" value="开始/暂停仿真" style="width: 200px;height:40px;margin-left:100px;margin-top:20px">
    <input type="button" value="重置仿真" style="width: 200px;height:40px;margin-left:100px">
    <table style="margin-top:-40px;margin-left:700px">
        <tr>
            <td>故障预警:</td>
            <td> <input type="text" style="width: 200px;height:40px;text-align: center;margin-left: 30px" value="正常"></input></td>
        </tr>
    </table>
</div>
<div id="fourth"></div>

</body>
</html>